A new one-pot three-component synthesis of 2,4-diamino-5 H -chromeno[2,3- b ]pyridine-3-carbonitrile derivatives (original) (raw)

Mol Divers, 2010

Abstract

In this study, a three-component one-pot synthesis of new 2,4-diamino-5H-chromeno[2,3-b]pyridine-3-carbonitriles derived from 2-amino-1,1,3-tricyanopropene, salicylic aldehydes and secondary cyclic amines is reported. The reaction is conducted in ethanol at ambient temperature in good-to-excellent yields.

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